

in the sense of [1]}, where
\(\big (f_k(t),g_k(t)\big ):= \big (\mu _k(t),\Theta _k(t)\big )- \mathbb {P}_{\mathcal {Z}_k} \big ( F^{\prime }(\phi _k(t)) , \alpha G^{\prime }(\alpha \Psi _k(t)) \big )\) 
